144490228 has 12 divisors (see below), whose sum is σ = 253096900. Its totient is φ = 72176832.

The previous prime is 144490219. The next prime is 144490261. The reversal of 144490228 is 822094441.

It can be written as a sum of positive squares in 2 ways, for example, as 67436944 + 77053284 = 8212^2 + 8778^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 144490193 and 144490202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12153 + ... + 20896.

Almost surely, 2^144490228 is an apocalyptic number.

It is an amenable number.

144490228 is a deficient number, since it is larger than the sum of its proper divisors (108606672).

144490228 is a wasteful number, since it uses less digits than its factorization.

144490228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34146 (or 34144 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 144490228 is about 12020.4088116836. The cubic root of 144490228 is about 524.7424018202.

The spelling of 144490228 in words is "one hundred forty-four million, four hundred ninety thousand, two hundred twenty-eight".